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Carnallite
Carnallite

Amblygonite
Amblygonite



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Carnallite
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Amblygonite

Carnallite and Amblygonite Optical Properties

Optical Properties

Luster

Greasy
Vitreous, Pearly

Pleochroism

-
weak to none

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.4671.578-1.646
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Orthorhombic
Triclinic

Birefringence

0.02700.020-0.030
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Carnallite and Amblygonite Optic Character

Carnallite and Amblygonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Carnallite and Amblygonite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Carnallite and Amblygonite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character. Amblygonite has Biaxial/+ character.

Carnallite and Amblygonite Transparency

Similar to their colors, Carnallite and Amblygonite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Carnallite is while Carnallite is in appearance.